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https://issues.apache.org/jira/browse/GROOVY-11569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17927341#comment-17927341
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Paul King commented on GROOVY-11569:
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I also considered {{format}} as the name but this shortcut would conflict with
some other usages of format.
> Create a sprintf shortcut for 1-arg usage
> -----------------------------------------
>
> Key: GROOVY-11569
> URL: https://issues.apache.org/jira/browse/GROOVY-11569
> Project: Groovy
> Issue Type: Improvement
> Reporter: Paul King
> Priority: Major
>
> Currently we support:
> {code:groovy}
> var x = 1/3
> assert sprintf('%5.3f', x) == '0.333'
> {code}
> Or you can use:
> {code:groovy}
> assert String.format('%5.3f', x) == '0.333'
> {code}
> I propose we also support:
> {code:groovy}
> assert x.sprintf('%5.3f') == '0.333'
> assert [x, x, x]*.sprintf('%5.3f') == ['0.333', '0.333', '0.333']
> {code}
> It is intended to be a shortcut only for format strings containing a single
> format specifier (or at least referencing a single argument).
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